


Radium Engineering 20-0611 RA-Series Fuel Cell, 10.5 Gallon (39.7L) Spare Tyre, FIA & SFI
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Description
Radium 20-0611 RA-Series Fuel Cell, 10.5 Gallon (39.7L) Spare Tyre, FIA & SFI
Application: Universal – motorsport fuel cell installations
Part Type: FIA & SFI certified competition fuel cell (RA-Series)
Part Number: 20-0611
The Radium Engineering 20-0611 is a 10.5 US gallon (39.7L nominal) RA-Series competition fuel cell, designed and manufactured to meet the safety requirements of the FIA and SFI. A competition-grade fuel cell provides maximum performance and safety for high performance vehicles, and RA-Series cells suit all types of motorsport including road racing, time attack, drifting, rally, off-road and endurance. Its circular shape suits mounting in the spare tyre well.
The heart of the cell is a seamless polymer bladder that undergoes thorough testing and carries the critical certifications. The bladder is filled with explosion-suppressing anti-slosh foam and housed in a powder-coated aluminium enclosure with an anodised aluminium nut ring and a removable inspection plate.
Key Features
- Certification: tested and approved by the FIA and SFI; every cell is serialised and supplied with certification paperwork
- Certification life: certifications are valid for 5 years from the date of manufacture
- Capacity: 38.9–39.7 litres (10.3–10.5 US gallons)
- Shape: circular, for spare tyre well mounting
- Fuel compatibility: bladder polymer resists all fuel types, including petrol, diesel, AV gas, E15, E85, ethanol and methanol
- Safety foam: explosion-suppressing anti-slosh foam fitted inside the bladder
- Enclosure: powder-coated aluminium can with anodised aluminium nut ring and removable inspection plate
What's Included
- Seamless polymer bladder (compatible with all popular fuels)
- Explosion-suppressing anti-slosh foam
- Powder-coated aluminium enclosure
- Anodised aluminium nut ring
- Removable inspection plate
- 2 x FKM 6x10 24-bolt gaskets
- Stainless steel hardware
- Certificate of Conformance
Optional Parts
- Radium Spare Tire Fuel Cell Mounting Kit (20-0931) – mounting kit for the RA-Series spare tyre cell
- Radium FCST-X, Fuel Cell Surge Tank (20-1990-00) – Radium fuel cell surge tank and pump system (sold separately)
- Radium Carbon Fibre Fuel Cell Lid, Spare Tyre Cell (13-0411-01) – carbon fibre lid for the spare tyre cell
- Radium Fuel Cell Vent Kit - 8AN (20-0484-08) – fuel cell vent kit
- Radium Fuel Cell Vent Kit - 12AN (20-0484-12) – fuel cell vent kit
- Radium Fuel Cell Subharness Kit (20-0774) – pre-terminated wiring for fuel cell pump systems
Important Notes
- Volumes are given as a range because bladder manufacturing has large tolerances.
- Measure carefully before ordering – measurements do not account for objects inside the cell. Custom sizes are not available.
- Surge tanks, pump systems and other accessories are sold separately.
- Radium weld-in cages are listed for the 6, 10, 14 and 22 gallon cells only (20-0906/0910/0914/0922) – for this spare tyre cell see the Spare Tire Fuel Cell Mounting Kit (20-0931).
- Radium does not sell cells without certifications.
Vehicle Fitment
- Universal – see Application
If you're unsure whether this will fit your vehicle, contact our team of experts via email at hello@iilumolab.com and send through a few photos of the car for us to verify fitment.
Installation
We always recommend professional fitment for guaranteed satisfaction. If you're wanting a hassle-free installation, feel free to contact our friendly team as we offer installation services in-store at our Melbourne workshop. For more details, contact us here.
Note
Upon receiving the item, please ensure that the part is indeed the correct item you have ordered. This can be achieved by checking labels on the packaging. Please also ensure a proper test fit of the item is conducted prior to paint and/or installation. Returns/Warranty claims will be voided if the item has been tampered with, or is no longer in resalable/new condition.

